Objects in the image:
category: skateboard
category: person
category: person
category: backpack
category: person
category: person
category: person
category: person
category: person
category: skateboard
category: car
category: person
category: person
category: skateboard
category: car
category: person
category: skateboard

Guessing-game dialogue about one of the objects:
q: is the object a person?
a: No
q: is the object a sign?
a: No
q: is the object ON a person?
a: No
q: is the object sporting goods?
a: Yes
q: is the object a skateboard?
a: Yes